Note: The error code is the last 3 digits of the code you see in the error notification. For example, if you see the error notification Call failed (code: 2202404), the error code is 404.

If you are receiving Zoom Phone error 404: The number you dialed does not exist. Please try again later., this means that the phone number you dialed does not exist or is invalid.

Ensure that the number you dialed is correct. If you are dialing an international number, make sure that you include the country code, area code, and phone number.